AQUA-TECH AQ-78265WM Ultra Quiet Power Filter 20-40 Gallon

Power filter designed for 20 to 40-gallon aquariums, filtering up to 200 gallons per hour to cycle the entire tank five times hourly. The 3-stage filtration system combines coarse floss for debris, premium activated carbon for odors and discoloration, and Bio-Foam for biological filtration that removes toxic ammonia and nitrites. Operates at under 40 decibels for quiet performance. Uses Aqua-Tech EZ Change 3 filter cartridges.